Express the polar equation \(r=\cos 2\theta\) in rectangular coordinates. Find the maximum height above the \(x\)-axis of the cardioid \(r=1+\cos \theta\text{.}\) Sketch the graph of the curve whose ...
As polar winter sets in during an expedition on a research vessel, a reporter hopes she’ll catch a glimpse of a brilliant mirage. By Shannon Hall Low on the horizon, the sun casts an eerie light on ...
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